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threadsafe MathFont, MTFontV2, MTFontMathTableV2 with concurrent testScripts.

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This commit is contained in:
Peter Tang
2023-09-18 13:30:31 +08:00
parent be802ae0c6
commit 5de5ea677e
6 changed files with 293 additions and 69 deletions
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67
Tests/SwiftMathTests/MTFontV2Tests.swift
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@@ -1,6 +1,6 @@
//
// MTFontV2Tests.swift
//
//
//
// Created by Peter Tang on 15/9/2023.
//
@@ -18,4 +18,69 @@ final class MTFontV2Tests: XCTestCase {
XCTAssertNotNil(mTable)
}
}
private let executionQueue = DispatchQueue(label: "com.swiftmath.mathbundle", attributes: .concurrent)
private let executionGroup = DispatchGroup()
let totalCases = 1000
var testCount = 0
func testConcurrentThreadsafeScript() throws {
testCount = 0
var mathFont: MathFont { .allCases.randomElement()! }
for caseNumber in 0 ..< totalCases {
helperConcurrentMTFontV2(caseNumber, mathFont: mathFont, in: executionGroup, on: executionQueue)
}
executionGroup.notify(queue: .main) { [weak self] in
guard let self = self else { return }
XCTAssertEqual(self.testCount, totalCases)
print("\(self.testCount) completed =================")
}
}
func helperConcurrentMTFontV2(_ count: Int, mathFont: MathFont, in group: DispatchGroup, on queue: DispatchQueue) {
let size = CGFloat.random(in: 20 ... 40)
let workitem = DispatchWorkItem {
let fontV2 = mathFont.mtfont(size: size)
XCTAssertNotNil(fontV2)
let (cgfont, ctfont) = (fontV2.defaultCGFont, fontV2.ctFont)
XCTAssertNotNil(cgfont)
XCTAssertNotNil(ctfont)
}
workitem.notify(queue: .main) { [weak self] in
// print("\(Thread.isMainThread ? "main" : "global") completed .....")
let fontV2 = mathFont.mtfont(size: size)
XCTAssertNotNil(fontV2)
let (cgfont, ctfont) = (fontV2.defaultCGFont, fontV2.ctFont)
XCTAssertNotNil(cgfont)
XCTAssertNotNil(ctfont)
let mTable = mathFont.rawMathTable()
XCTAssertNotNil(mTable)
self?.testCount += 1
}
queue.async(group: group, execute: workitem)
}
func testConcurrentThreadsafeMathTableLockScript() throws {
testCount = 0
var mathFont: MathFont { .allCases.randomElement()! }
var size: CGFloat { CGFloat.random(in: 20 ... 40) }
let mtfonts = Array( 0 ..< 5 ).map { _ in mathFont.mtfont(size: size) }
for caseNumber in 0 ..< totalCases {
helperConcurrentMTFontV2MathTableLock(caseNumber, mtfont: mtfonts.randomElement()!, in: executionGroup, on: executionQueue)
}
executionGroup.notify(queue: .main) { [weak self] in
guard let self = self else { return }
XCTAssertEqual(self.testCount, totalCases)
print("\(self.testCount) completed =================")
}
}
func helperConcurrentMTFontV2MathTableLock(_ count: Int, mtfont: MTFontV2, in group: DispatchGroup, on queue: DispatchQueue) {
let workitem = DispatchWorkItem {
let mathTable = mtfont.mathTable as? MTFontMathTableV2
// each mathTable is initialized once per mtfont with a NSLock.
// this is even when mathTable is accessed via different threads.
XCTAssertNotNil(mathTable)
}
workitem.notify(queue: .main) { [weak self] in
// print("\(Thread.isMainThread ? "main" : "global") completed .....")
self?.testCount += 1
}
queue.async(group: group, execute: workitem)
}
}